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A stunning combination of sexy, spectacular, and delicious, except in one mind-boggling word. Often used to describe delectable food, but more commonly used as an "OK" sort of word. Common among either extreme nerds, or extremely cool people.
Ryan: Howdy-ho, Jimmie! I'd like to inform you that I'll be heading off to Chess club, so see you later.

Jimmie: That's no problem, Ryan. I'll be heading to the Glee club, anyway...

Ryan: Sextaculicious. Have yourself a satisfactory evening. Cheerio!
by RyanAndCamillaStallionsRock June 06, 2011